公开(公告)号：US20170278616A1

公开(公告)日：2017-09-28

申请号：US15618465

申请日：2017-06-09

Applicant: ABB Schweiz AG

Inventor： Stephan Schnez ,  Vincent Dousset ,  Roberto Zannol ,  Rebei Bel Fdhila

IPC: H01F27/18 ,  H01F27/10

CPC classification number: H01F27/18 ,  H01F27/105 ,  H01F27/321

Abstract: The present invention relates to gas-insulated electrical apparatuses, in particular gas-insulated transformers or reactors, comprising a housing enclosing an interior space, in which an electrical component comprising a winding is arranged, at least a portion of the interior space defining an insulation space which is filled with an insulation fluid electrically insulating at least a part of the electrical component from the housing. According to the invention, the electrical apparatus further comprises a cooling element comprising a condenser, an evaporator and a cooling fluid to be circulated between the condenser and the evaporator. The evaporator is designed such that at least a part of the electric component is immersed in the cooling fluid in its liquid state, thus being in direct contact with the cooling fluid.